نتایج جستجو برای: failure mode and effect analyses

تعداد نتایج: 17214850  

Journal: :journal of dental school, shahid beheshti university of medical sciences 0
رویا امینیان roya aminian dental research center & dental school, shahid beheshti university of medical sciences, tehran, iran.مرکز تحقیقات علوم دندانپزشکی و دانشکده دندانپزشکی، دانشگاه علوم پزشکی شهید بهشتی حسن تراب زاده hassan torabzadeh dental research center & dental school, shahid beheshti university of medical sciences, tehran, iran.مرکز تحقیقات علوم دندانپزشکی و دانشکده دندانپزشکی، دانشگاه علوم پزشکی شهید بهشتی عاطفه صفاری atefe saffari dental school, babol university of medical sciences, babol, iran.([email protected])دانشکده دندانپزشکی، دانشگاه علوم پزشکی بابل نسترن مختاری nasrin mokhtari dental school, islamic azad university, tehran, iran.دانشکده دندانپزشکی، دانشگاه آزاد اسلامی تهران علیرضا اکبرزاده باغبان alireza akbarzadeh bagheban shahid beheshti university of medical sciences, tehran, iran.دانشکده پیراپزشکی، دانشگاه علوم پزشکی شهید بهشتی

background and aim: the present study aimed at determination of the fatigue resistance and failure mode of cusp-replacing onlays in endodontically treated premolars using indirect composite resin restorations. materials and method: in this experimental study, 84 human premolars were randomly divided into 7 groups of 12. these groups were prepared as follows: intact teeth used in group1 as contr...

Journal: :نشریه دانشکده فنی 0
مهدی موسوی دانشگاه تهران علیرضا یاراحمدی بافقی دانشگاه تهران حمیدرضا بخشی دانشگاه تهران

in the past, rock slope stability analysis were performed either graphically or using a hand-held calculator, but nowadays there are variety of slope stability analysis which can be used according to the field condition and potential failure mode. in 2-d analysis, effect of convex and concave walls are neglected, however concave slopes are believed to be more stable than straight walls due to t...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه بیرجند 1390

abstract this study attempted to investigate the strategies used to translate clichés of emotions in dubbed movies in iranian dubbing context for home video companies. the corpus of the current study was parallel and comparable in nature, consisting of five original american movies and their dubbed versions in persian, and five original persian movies which served as a touchstone for judging n...

Failure mode and effects analysis (FMEA) is a method based on teamwork to identify potential failures and problems in a system, design, process and service in order to remove them. The important part of this method is determining the risk priorities of failure modes using the risk priority number (RPN). However, this traditional RPN method has several shortcomings. Therefore, in this paper we p...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیخ بهایی - دانشکده زبانهای خارجی 1391

the skill of reading in english as a foreign language is an important and challenging one which is affected both by linguistic and extra linguistic factors. since vocabularies are part and parcel of every reading comprehension text, knowing enough vocabulary always facilitates this process. however, guessing strategy as one of the most important strategies has consistently ignored by language l...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه لرستان - دانشکده علوم پایه 1389

abstract part one: the electrode oxidation potentials of a series of eighteen n-hydroxy compounds in aqueous solution were calculated based on a proper thermodynamic cycle. the dft method at the level of b3lyp-6-31g(d,p) was used to calculate the gas-phase free energy differences ,and the polarizable continuum model (pcm) was applied to describe the solvent and its interaction with n-hydroxy ...

Abstract Background and aims: Nowadays with increasing global competition, companies apply several scientific methods to identify, assess and remove potential failures in production process. The main goal of this study was identification and analysis of potential failure modes in a hydraulic pump manufacturing company by using combination of interval valued fuzzy Analytic network process (IVF-...

Journal: :international journal of industrial mathematics 2012
a. hadi-vencheh s. hejazi a. forghani s. n. hejazi

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی - دانشکده اقتصاد 1391

reinsurance is widely recognized as an important instrument in the capital management of an insurance company as well as its risk management tool. this thesis is intended to determine premium rates for different types of reinsurance policies. also, given the fact that the reinsurance coverage of every company depends upon its reserves, so different types of reserves and the method of their calc...

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